Ramsey Electronics BS2C Manual de instrucciones Pagina 8

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DCI2 8
PARTS SUPPLIED WITH YOUR DCI2C KIT
Capacitors
2 22 pF disc capacitor (marked 22) [C7,8]
1 470 pF disc capacitor (marked 470 or 471) [C1]
2 .01µF disc capacitor (marked .01, 103 or 10 nF) [C2,6]
6 0.1 µF disc capacitor (marked .1 or 104) [C5,10,11,12,14,15]
1 10 µF electrolytic capacitors [C4]
1 100 µF electrolytic capacitors [C3]
Resistors
3 220 ohms (red-red-brown) [R11,18] [one spare for testing]
1 1K ohms (brown-black-red) [R3]
8 10K ohms (brown-black-orange) [R2,8, 9,10,19,20, 21, 23]
1 100K ohms (brown-black-yellow) [R4]
1 330K ohms (orange-orange-yellow) [R6]
Semiconductors and Integrated Circuits
1 1N4000 series diode (black body with white band) [D1]
-Note that 1N4002-1N4007 diodes may used.
4 1N4148 diodes (small glass diode) [D2,3,10,11]
2 2N3904 transistor (three leads TO-92 package marked 3904) [Q6, 7]
1 7805 +5 volt voltage regulator [VR1]
3 JUMBO red LED [D4,9] [one spare for testing]
1 68HC908JK3 pre-programmed micro-controller (20 pin DIP) [U1]
(marked with a sticker labeled DCI2rxx)
1 HT9170B DTMF decoder IC (18 pin DIP) [U3]
1 74HC154 4 to 16 line decoder (24 pin DIP) [U2]
Miscellaneous Components
1 2.1 mm DC power jack [J5]
1 RJ11 modular phone jack (PCB mount) [J6]
2 DPDT PC mount pushbutton switch [S1,2]
1 3.579 MHz crystal (Marked 3.579 or 3.579545) [X1]
2 #4-40x1 1/4” screws
4 #4-40x3/16” screws
2 black plastic switch caps
1 10 pin dual row header [J2]
1 20 pin dual row header [J1]
1 20 pin IC Socket
1 8” piece of 24AWG wire [for testing]
4 Rubber Feet
1 Case assembly (includes front panel, rear panel, top and bottom case
shells)
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